AR15/M16 Nitride Bolt Assembly

Prime Weaponry

$ 69.95 $ 79.95
9310 Bolt Assembly


Made from 9310 Vac-Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot/cold rolled 9310 steels. This is a Mil-Spec bolt assembly with enhanced features for those looking to complete a bolt carrier group. This bolt will make sure your gun outshines the competition


- Fully Assembled Bolt

- Shot Peened

- MPI (Magnetic Particle Inspected)

- HPT (High Pressure Tested)

- Power Spring Kit

- Nitride QPQ Treated

- Engraved with MPI/9310